<?php

/**
 * This is the model class for table "tbl_manufacturer".
 *
 * The followings are the available columns in table 'tbl_manufacturer':
 * @property integer $id
 * @property string $name
 * @property string $date_added
 * @property string $last_update
 *
 * The followings are the available model relations:
 * @property TblProduct[] $tblProducts
 */
class Manufacturer extends CActiveRecord {

    /**
     * Returns the static model of the specified AR class.
     * @return Manufacturer the static model class
     */
    public static function model($className=__CLASS__) {
        return parent::model($className);
    }

    /**
     * @return string the associated database table name
     */
    public function tableName() {
        return 'tbl_manufacturer';
    }

    /**
     * @return array validation rules for model attributes.
     */
    public function rules() {
        // NOTE: you should only define rules for those attributes that
        // will receive user inputs.
        return array(
            array('name', 'required'),
            array('name', 'length', 'max' => 64),
            // array('last_update', 'safe'),
            // The following rule is used by search().
            // Please remove those attributes that should not be searched.
            array('id, name, date_added, last_update', 'safe', 'on' => 'search'),
        );
    }

    /**
     * @return array relational rules.
     */
    public function relations() {
        // NOTE: you may need to adjust the relation name and the related
        // class name for the relations automatically generated below.
        return array(
            'tblProducts' => array(self::HAS_MANY, 'TblProduct', 'manufacturer_id'),
        );
    }

    /**
     * @return array customized attribute labels (name=>label)
     */
    public function attributeLabels() {
        return array(
            'id' => 'ID',
            'name' => 'Nhà sản xuất',
            'date_added' => 'Ngày thêm vào',
            'last_update' => 'Ngày cập nhật cuối',
        );
    }

    /**
     * This is invoked before the record is saved.
     * @return boolean whether the record should be saved.
     */
    protected function beforeSave() {
        if (parent::beforeSave()) {
            if ($this->isNewRecord) {
                $this->date_added = $this->last_update = date('Y-m-d');
            }
            else
                $this->last_update = date('Y-m-d');
            return true;
        }
        else
            return false;
    }

    /**
     * Retrieves a list of models based on the current search/filter conditions.
     * @return CActiveDataProvider the data provider that can return the models based on the search/filter conditions.
     */
    public function search() {
        // Warning: Please modify the following code to remove attributes that
        // should not be searched.

        $criteria = new CDbCriteria;

        $criteria->compare('id', $this->id);
        $criteria->compare('name', $this->name, true);
        $criteria->compare('date_added', $this->date_added, true);
        $criteria->compare('last_update', $this->last_update, true);

        return new CActiveDataProvider(get_class($this), array(
            'criteria' => $criteria,
        ));
    }

}